﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Test2
{
    class SumUtils
    {
        public int Sum(int a , int b) {
            return a + b;
        }
        public double Sum(double a , double b) {
            return a + b;
        }
        public string Sum(string a , string b) {
            return a + b;
        }
        public int Sum(int a) {
            int sum = 0;
            for (int i = 0; i < 10; i++)
            {
                sum += i;
            }

            return sum;
        }
    }
}
